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Fix Auth Error server status

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The mon_ping_or_connect_to_db resets the MYSQL handle which caused the
loss of the error message. Returning a new enumeration value for
authentication errors solves this problem.
This commit is contained in:
Markus Mäkelä
2020-02-28 15:36:43 +02:00
parent 96ba2da40c
commit 67fee60f80
3 changed files with 18 additions and 16 deletions
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27
server/core/monitor.cc
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@ -772,25 +772,20 @@ bool check_monitor_permissions(MXS_MONITOR* monitor, const char* query)
for (MXS_MONITORED_SERVER* mondb = monitor->monitored_servers; mondb; mondb = mondb->next)
{
if (!mon_connection_is_ok(mon_ping_or_connect_to_db(monitor, mondb)))
auto result = mon_ping_or_connect_to_db(monitor, mondb);
if (!mon_connection_is_ok(result))
{
MXS_ERROR("[%s] Failed to connect to server '%s' ([%s]:%d) when"
" checking monitor user credentials and permissions: %s",
" checking monitor user credentials and permissions.",
monitor->name,
mondb->server->name,
mondb->server->address,
mondb->server->port,
mysql_error(mondb->con));
switch (mysql_errno(mondb->con))
{
case ER_ACCESS_DENIED_ERROR:
case ER_DBACCESS_DENIED_ERROR:
case ER_ACCESS_DENIED_NO_PASSWORD_ERROR:
break;
mondb->server->port);
default:
if (result != MONITOR_CONN_ACCESS_DENIED)
{
rval = true;
break;
}
}
else if (mxs_mysql_query(mondb->con, query) != 0)
@ -1499,7 +1494,13 @@ mxs_connect_result_t mon_ping_or_connect_to_db(MXS_MONITOR* mon, MXS_MONITORED_S
}
else
{
auto err = mysql_errno(mysql);
mysql_close(mysql);
if (err == ER_ACCESS_DENIED_ERROR || err == ER_ACCESS_DENIED_NO_PASSWORD_ERROR)
{
conn_result = MONITOR_CONN_ACCESS_DENIED;
}
}
if (conn_result == MONITOR_CONN_REFUSED && (int)difftime(end, start) >= mon->connect_timeout)
@ -2844,7 +2845,7 @@ void MonitorInstanceSimple::tick()
*/
monitor_clear_pending_status(pMs, SERVER_DOWN_CLEAR_BITS);
if (mysql_errno(pMs->con) == ER_ACCESS_DENIED_ERROR)
if (rval == MONITOR_CONN_ACCESS_DENIED)
{
monitor_set_pending_status(pMs, SERVER_AUTH_ERROR);
}